Update charm libraries

[github-actions]

Automated action to fetch latest version of charm libraries. The branch of this PR
will be wiped during the next check. Unless you really know what you're doing, you
most likely don't want to push any commits to this branch.

[github-actions]

Test coverage for 0aa89a0

Name                        Stmts   Miss Branch BrPart  Cover   Missing
-----------------------------------------------------------------------
src/charm.py                   64     11      8      3    78%   45-47, 97-98, 100-101, 121->exit, 129-130, 134-135
src/charm_state.py             97      5     16      3    91%   29, 216-218, 321
src/charm_types.py              8      0      0      0   100%
src/constants.py               10      0      0      0   100%
src/database_migration.py      47      0      6      0   100%
src/databases.py               51     11     15      1    79%   74-75, 131-133, 137-141, 149
src/exceptions.py               5      0      0      0   100%
src/flask_app.py               50      2     18      2    94%   69->71, 106-107
src/observability.py           22      0      0      0   100%
src/secret_storage.py          35      3      6      2    88%   45->exit, 74, 87-88
src/webserver.py               65      4     12      1    94%   132, 138-144
-----------------------------------------------------------------------
TOTAL                         454     36     81     12    90%

Static code analysis report

Run started:2024-01-04 10:26:56.571115

Test results:
  No issues identified.

Code scanned:
  Total lines of code: 1036
  Total lines skipped (#nosec): 1
  Total potential issues skipped due to specifically being disabled (e.g., #nosec BXXX): 0

Run metrics:
  Total issues (by severity):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
  Total issues (by confidence):
  	Undefined: 0
  	Low: 0
  	Medium: 0
  	High: 0
Files skipped (0):